.xp{font-family:Arial,sans-serif;color:#222;line-height:1.55}.xp .hero{background:linear-gradient(135deg,rgba(0,0,0,.86) 55%,rgba(0,0,0,.45)),url('https://cdn.shopify.com/s/files/1/0897/7783/2225/files/4444444444444444.png?v=1777040489') center/cover no-repeat;padding:34px 28px;border-radius:14px;color:#fff;margin-bottom:24px}.xp .label{display:inline-block;background:#d71920;color:#fff;font-weight:800;font-size:13px;letter-spacing:.5px;padding:7px 12px;border-radius:999px;margin-bottom:12px}.xp .hero h2{color:#fff!important;font-size:30px;line-height:1.15;margin:0 0 12px}.xp .hero p{color:#fff;margin:0 0 14px;max-width:850px}.xp .specs{display:flex;gap:8px;flex-wrap:wrap}.xp .specs span{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);padding:6px 10px;border-radius:999px;font-size:13px}.xp h2{font-size:23px;margin:28px 0 12px}.xp .grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(185px,1fr));gap:12px}.xp .card{border:1px solid #e6e6e6;border-radius:10px;padding:14px;background:#fff}.xp .card strong{display:block;color:#d71920;margin-bottom:4px}.xp .box{border-left:4px solid #d71920;background:#f7f7f7;padding:14px 16px;border-radius:8px}.xp .note{background:#f7f7f7;padding:14px 16px;border-radius:8px}.xp ul{padding-left:22px}.xp .models{word-break:break-word}.xp .us{font-weight:700;margin-top:8px}.xp .preserved-images img{max-width:100%;height:auto} MICROWAVE SPARKS OR ARCS NEAR THE WAVEGUIDE-COVER AREA Panasonic Microwave Waveguide Cover F20559Y00AP, Fixes Microwave sparks or arcs near the waveguide-cover area Genuine Panasonic microwave waveguide cover used to protect the microwave waveguide and internal components. Part F20559Y00APPanasonic Genuine Panasonic microwave waveguide cover used to protect the microwave waveguide and internal components. Is This the Right Part? Part NumberF20559Y00AP ManufacturerPanasonic Appliance TypeMicrowave Part TypeWaveguide Cover Common Symptoms Sparking or arcing during operation Burning smell during operation Visible discoloration, scorching, cracking, puncture, or burn-through of the cover The cover is loose, damaged, or will not remain in place Check Before Replacing Stop the microwave immediately if sparking, smoke, or a burning smell occurs; unplug it if it can be done safely. After the oven is cool, inspect the waveguide-cover area for food residue, grease buildup, discoloration, cracks, holes, or other visible damage. Check that the cover is present and seated in its original position without forcing or bending it. Confirm that the cavity is clean and that no metal, foil, metallic trim, or other prohibited cookware caused the arcing. Do not remove the microwave's outer cabinet or test for microwave leakage; refer internal service work to an authorized technician. Pro Tip Clean food splatters and grease from the cavity promptly, but do not scrape, puncture, or remove the waveguide cover. Continued use with a missing or damaged cover can damage internal components and create a safety hazard. Part Details Part NumberF20559Y00AP Part TypeWaveguide Cover ManufacturerPanasonic Appliance TypeMicrowave Primary FunctionProtects the microwave waveguide opening and internal microwave components from food particles, steam, grease, and moisture while allowing microwave energy to pass into the cooking cavity. Key Features Genuine Panasonic OEM waveguide cover Exact manufacturer part number F20559Y00AP Designed for select Panasonic microwave ovens Protective barrier for the microwave waveguide and internal electronic components Installation Notes Disconnect power and allow the microwave cavity to cool before handling the part. Use the model-specific service or operating documentation to confirm the cover's orientation and attachment method. Do not operate the microwave with the cover missing, damaged, loose, or incorrectly positioned. Do not remove the microwave's outer cabinet or perform work involving microwave-energy shielding unless qualified and authorized to do so. After installation, verify that the replacement is seated securely and that the cavity is clean before returning the appliance to service. Verified Compatible Models NNSA631B, NNSA631W, NNSA651S, NNSA661S, NNSD654B, NNSD654W, NNSD681S, NNSN67HST, NNSN643S, NNSN651B, NNSN651W, NNSN653S, NNSN661S, NNSN671S, NNSN686S Fitment reminder: Match the complete appliance model number, including suffix or revision where applicable, before ordering.
